X-Git-Url: http://git.jankratochvil.net/?p=mdsms.git;a=blobdiff_plain;f=configure.in;fp=configure.in;h=329a172339d42d04a381ab6f9bd1505545950a44;hp=d2b13f3c95d6dbdf0652ddc7e5b29f1e7973cb1e;hb=fdc263fe2fb20d1fc56eb361f190690a26c7bd38;hpb=dbc764641a64d2362694ad51aa1e7d0fdf237cde

diff --git a/configure.in b/configure.in
index d2b13f3..329a172 100644
--- a/configure.in
+++ b/configure.in
@@ -134,6 +134,14 @@ for un in __unused__ unused;do
 	done
 if $uns;then AC_DEFINE(ATTR_UNUSED,) AC_MSG_RESULT(no);fi
 
+AC_MSG_CHECKING([for printf style attribute])
+AC_TRY_COMPILE([#include <stddef.h>
+void testf(char *fmt,...) __attribute__((format(printf,1,2)));
+void testf(char *fmt,...) {}], [testf("%d",1);],
+	AC_DEFINE(HAVE_PRINTFORMAT) AC_MSG_RESULT(yes),
+	                            AC_MSG_RESULT(no)
+	)
+
 AC_CHECK_FUNC(snprintf, AC_DEFINE(HAVE_SNPRINTF))
 AC_CHECK_FUNC(vsnprintf, AC_DEFINE(HAVE_VSNPRINTF))
 
@@ -148,12 +156,6 @@ dnl AC_TRY_COMPILE([#include <string.h>], [strdup("");],
 dnl 	AC_DEFINE(HAVE_STRDUP)  AC_MSG_RESULT(yes),
 dnl 	LIBOBJS="$LIBOBJS strdup.o" AC_MSG_RESULT(no))
 
-AC_MSG_CHECKING([for working %m in printf])
-AC_TRY_RUN([int main() { char s[100];
-	sprintf(s,"%m");
-	return(!(strcmp(s,"m") && strcmp(s,"%m")));
-	}],AC_DEFINE(PRINTF_WORKS_PM) AC_MSG_RESULT(yes),AC_MSG_RESULT(no),AC_MSG_RESULT(avoiding))
-
 GCC_NEED_DECLARATION(gethostname, [#include <unistd.h>])
 GCC_NEED_DECLARATION(kill,        [#include <sys/types.h>
 #include <signal.h>])